Display screen or portion thereof with graphical user interface



FIG. 1 shows a first embodiment of a display screen or portion thereof with graphical user interface showing our new design;

FIG. 2 shows a second embodiment of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 3 shows a third embodiment of a display screen or portion thereof with graphical user interface showing our new design.

The broken lines showing a mobile device and a display screen are included for the purpose of illustrating environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 